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Decreased tyrosine phosphorylation in tumour cells resistant to FCE 24517 (tallimustine)

CIOMEI, M ; PASTORI, W ; CAPOLONGO, L ; GERONI, C ; MELEGARO, G ; PENNELLA, G ; GRANDI, M

British journal of cancer, 1995-12, Vol.72 (6), p.1504-1508 [Periódico revisado por pares]

Basingstoke: Nature Publishing Group

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Decreased tyrosine phosphorylation in tumour cells resistant to FCE 24517 (tallimustine)
Autor: CIOMEI, M ; PASTORI, W ; CAPOLONGO, L ; GERONI, C ; MELEGARO, G ; PENNELLA, G ; GRANDI, M
Assuntos: Adenocarcinoma - drug therapy ; Adenocarcinoma - enzymology ; Adenocarcinoma - metabolism ; Animals ; Antineoplastic agents ; Antineoplastic Agents - pharmacology ; Biological and medical sciences ; Colonic Neoplasms - drug therapy ; Colonic Neoplasms - enzymology ; Colonic Neoplasms - metabolism ; Distamycins - pharmacology ; Drug Resistance, Neoplasm ; Drug Screening Assays, Antitumor ; Drug Synergism ; Enzyme Inhibitors - pharmacology ; General aspects ; Humans ; Leukemia L1210 - drug therapy ; Leukemia L1210 - enzymology ; Leukemia L1210 - metabolism ; Medical sciences ; Mice ; Neoplasm Proteins - metabolism ; Nitrogen Mustard Compounds - pharmacology ; Pharmacology. Drug treatments ; Phosphorylation - drug effects ; Protein Tyrosine Phosphatases - antagonists & inhibitors ; Protein Tyrosine Phosphatases - pharmacology ; Protein-Tyrosine Kinases - antagonists & inhibitors ; Sensitivity and Specificity ; Tumor Cells, Cultured ; Tyrosine - metabolism ; Vanadates - pharmacology
É parte de: British journal of cancer, 1995-12, Vol.72 (6), p.1504-1508
Descrição: Resistance to FCE 24517 is not related to the emergence of any of the most frequently observed phenotypes. We have found that two resistant cell lines (L1210/24517 murine leukaemia and LoVo/24517 human colon adenocarcinoma) present congenital modifications in tyrosyl phosphatase and kinase activities. Moreover, the cytotoxic activity of FCE 24517 is increased in combination with a tyrosine phosphatase inhibitor and decreased in combination with protein kinase inhibitors, this being in agreement with the hypothesis that the activity of this drug is strictly dependent on the presence of tyrosine phosphorylated protein(s).
Editor: Basingstoke: Nature Publishing Group
Idioma: Inglês

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Decreased tyrosine phosphorylation in tumour cells resistant to FCE 24517 (tallimustine)

CIOMEI, M ; PASTORI, W ; CAPOLONGO, L ; GERONI, C ; MELEGARO, G ; PENNELLA, G ; GRANDI, M

Basingstoke: Nature Publishing Group

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